TierraCast Antique Copper Plated Pewter Tree Of Life Button, 15mm.This button is designed to go with TierraCast tree of life charms and pendants. It measures 15mm in diameter and has a shank with a 2mm opening. Use this button on your next seed bead project or in a leather wrap bracelet.All TierraCast buttons are designed and manufactured in the USA. They are high quality lead and nickel free pewter pieces. To see all of our TierraCast charms, beads and findings, please see our TierraCast SmartCollection.